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Rulemaking Documents Search

The following DOT Rules are linked to the Federal Register website. The Federal Register is the Federal Government’s official daily publication of rules, proposed rules, and notices of federal agencies, and provides a forum for public participation in the democratic process.

To learn more about DOT Rules, choose a document type, topic, or conduct a title search by keyword. Results will include a summary of the Rule and a link to the PDF of the appropriate Federal Register page. The Federal Register provides rulesmaking documents dating back to 1995.

If you need to see rules prior to 1995, please contact:

Office of Hazardous Materials Safety: 202-366-4488

Office of Pipeline Safety: 202-366-4595
Your search for Documents of type Rule or Proposed Rule, affecting 49 CFR 100-199, and about Uranium
Results 1 - 50 of 131
  • PHMSA issues this rulemaking in response to appeals submitted to a previously-published final rule. On June 2, 2016, PHMSA published a final rule that made miscellaneous amendments to the Hazardous Materials Regulations. This final rule specifically...
  • The Pipeline and Hazardous Materials Safety Administration (PHMSA) proposes to amend the Hazardous Materials Regulations (HMR) to maintain consistency with international regulations and standards by incorporating various amendments, including changes...
  • The Pipeline and Hazardous Materials Safety Administration is issuing this final rule to codify in the Hazardous Materials Regulations certain mandates and minimum requirements of the FAST Act. Specifically, the FAST Act mandates a revised phase-out...
  • PHMSA, in consultation with the Federal Railroad Administration, is issuing this NPRM to propose revisions to regulations that would expand the applicability of comprehensive oil spill response plans (OSRPs) based on thresholds of liquid petroleum oil...
  • In this final rule, the Pipeline and Hazardous Materials Safety Administration (PHMSA) is amending the Hazardous Materials Regulations (HMR) to make miscellaneous amendments in order to update and clarify certain regulatory requirements. These...
  • This direct final rule incorporates by reference the most recent editions of the ASME Boiler and Pressure Vessel Code. The purpose of this update is to enable non-specification (nurse tank) manufacturers and other DOT and UN specification packaging...
  • This SNPRM proposes to incorporate and allow the use of the 2015 edition of the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code, Section XII--Rules for Construction and Continued Service of Transport Tanks for the...
  • As required by the Moving Ahead for Progress in the 21st Century Act (MAP-21), the Pipeline and Hazardous Materials Safety Administration is amending the Hazardous Materials Regulations to adopt provisions contained in certain widely-used or...
  • The Pipeline and Hazardous Materials Safety Administration (PHMSA) is amending the Hazardous Materials Regulations by establishing standards for the safe transportation of explosives on cargo tank motor vehicles and multipurpose bulk trucks...
  • This final rule corrects editorial errors, makes minor regulatory changes and, in response to requests for clarification, improves the clarity of certain provisions in the Hazardous Materials Regulations. The intended effect of this rule is to enhance...
  • In this final rule, the Pipeline and Hazardous Materials Safety Administration (PHMSA), in coordination with the Federal Railroad Administration (FRA), is adopting requirements designed to reduce the consequences and, in some instances, reduce the...
  • As required by the Moving Ahead for Progress in the 21st Century Act (MAP-21), the Pipeline and Hazardous Materials Safety Administration is proposing to amend the Hazardous Materials Regulations to adopt provisions contained in certain widely-used or...
  • PHMSA proposes to make miscellaneous amendments to the Hazardous Materials Regulations to update and clarify certain regulatory requirements. These proposed amendments are designed to promote safer transportation practices, address petitions for...
  • PHMSA is amending the Hazardous Materials Regulations to maintain alignment with international standards by incorporating various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions, packaging...
  • PHMSA proposes to amend the Hazardous Materials Regulations to maintain alignment with international standards by incorporating various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions,...
  • PHMSA is proposing to revise the Hazardous Materials Regulations applicable to return shipments of certain hazardous materials by motor vehicle. PHMSA proposes a definition for ``reverse logistics'' for hazardous materials that are intended to be...
  • PHMSA, in consultation with the Federal Aviation Administration (FAA), is modifying the requirements governing the transportation of lithium cells and batteries. This final rule revises hazard communication and packaging provisions for lithium...
  • The Pipeline and Hazardous Materials Safety Administration (PHMSA or we), in coordination with the Federal Railroad Administration (FRA), is proposing: new operational requirements for certain trains transporting a large volume of Class 3 flammable...
  • The Pipeline and Hazardous Materials Safety Administration is proposing to amend the Hazardous Materials Regulations by establishing standards for the safe transportation of bulk explosives. This rulemaking would be responsive to two petitions for...
  • PHMSA, in coordination with the Nuclear Regulatory Commission (NRC), is amending requirements in the Hazardous Materials Regulations (HMR) governing the transportation of Class 7 (radioactive) materials based on recent changes contained in the...
  • The Pipeline and Hazardous Materials Safety Administration is amending the Hazardous Materials Regulations (HMR) to adopt provisions contained in certain widely used or longstanding special permits and certain competent authority approvals...
  • This final rule corrects editorial errors and amends certain requirements in response to administrative appeals submitted by persons affected by certain final rules published in the Federal Register.
  • This final rule corrects editorial errors, makes minor regulatory changes and, in response to requests for clarification, improves the clarity of certain provisions in the Hazardous Materials Regulations (HMR). The intended effect of this rule is to...
  • The Pipeline and Hazardous Materials Safety Administration is amending the Hazardous Materials Regulations applicable to air bag inflators, air bag modules, and seat-belt pretensioners. The revisions incorporate the provisions of two special permits...
  • PHMSA is revising the Hazardous Materials Regulations applicable to the approval of Division 1.4G consumer fireworks (UN0336 Fireworks) and establishing DOT-approved fireworks certification agencies that provide an alternative to the approval process...
  • PHMSA is amending the Hazardous Materials Regulations (HMR) to make miscellaneous amendments to update and clarify certain regulatory requirements. These amendments promote safer transportation practices, eliminate unnecessary regulatory requirements,...
  • PHMSA is amending the Hazardous Materials Regulations to maintain alignment with international standards by incorporating various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions, packaging...
  • This document responds to administrative appeals generated as a result of certain amendments adopted in an international harmonization final rule published on January 19, 2011. The January 19, 2011 final rule amended the Hazardous Materials Regulations...
  • The Pipeline and Hazardous Materials Safety Administration is proposing to amend the Hazardous Materials Regulations to incorporate provisions contained in certain widely used or longstanding special permits and certain competent authority approvals...
  • This final rule corrects editorial errors, makes minor regulatory changes and, in response to requests for clarification, improves the clarity of certain provisions in the Hazardous Materials Regulations. The intended effect of this rule is to enhance...
  • PHMSA is proposing to revise the Hazardous Materials Regulations applicable to the approval of Division 1.4G consumer fireworks (UN0336 Fireworks) and establish DOT-approved fireworks certification agencies that will provide an alternative to the...
  • PHMSA proposes to amend the Hazardous Materials Regulations to maintain alignment with international standards by incorporating various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions,...
  • The Pipeline and Hazardous Materials Safety Administration is amending the Hazardous Materials Regulations to incorporate provisions contained in certain widely used or longstanding rail special permits that have general applicability and established...
  • This document responds to administrative appeals and solicits public comment on proposals generated as a result of certain amendments adopted in an international harmonization final rule published in the Federal Register. The final rule amended the...
  • PHMSA proposes to make miscellaneous amendments to the Hazardous Materials Regulations to update and clarify certain regulatory requirements. These proposed amendments are designed to promote safer transportation practices; eliminate unnecessary...
  • PHMSA is amending the Hazardous Materials Regulations to require closures of inner packagings containing liquids within a combination packaging intended for transportation by aircraft to be secured by a secondary means or, where a secondary closure...
  • In this NPRM, PHMSA is proposing to revise the Hazardous Materials Regulations applicable to air bag inflators, air bag modules, and seat-belt pretensioners. The proposed changes would incorporate the provisions of two special permits into the...
  • This document responds to administrative appeals, provides clarifications, and corrects typographical and other minor errors adopted in an international harmonization final rule published January 19, 2011 (HM-215K; 76 FR 3308). The final rule amended...
  • On July 20, 2011, PHMSA published a final rule under Docket Number PHMSA-2009-0151 (HM-218F) making miscellaneous amendments to the Hazardous Materials Regulations (HMR; 49 CFR parts 171-180). The amendments made by PHMSA in the July 20, 2011 final...
  • This final rule corrects editorial errors, makes minor regulatory changes and, in response to requests for clarification, improves the clarity of certain provisions in the Hazardous Materials Regulations. The intended effect of this rule is to enhance...
  • The Pipeline and Hazardous Materials Safety Administration is proposing to amend the Hazardous Materials Regulations to incorporate provisions contained in certain widely used or longstanding special permits that have general applicability and...
  • PHMSA, in coordination with the Nuclear Regulatory Commission (NRC), is proposing to amend requirements in the Hazardous Materials Regulations (HMR) governing the transportation of Class 7 (radioactive) materials based on recent changes contained in...
  • PHMSA is amending the Hazardous Materials Regulations to make miscellaneous amendments to update and clarify certain regulatory requirements. These amendments are intended to: promote safer transportation practices; eliminate unnecessary regulatory...
  • The Pipeline and Hazardous Materials Safety Administration is amending the Hazardous Materials Regulations by incorporating provisions contained in certain widely used or longstanding cargo tank special permits that are granted to multiple parties and...
  • PHMSA is proposing to amend the Hazardous Materials Regulations to prohibit the transportation of flammable liquids in unprotected external product piping on DOT specification cargo tank motor vehicles. If adopted as proposed, these amendments will...
  • PHMSA is amending the Hazardous Materials Regulations to maintain alignment with international standards by incorporating various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions, packaging...
  • On February 2, 2010, the Pipeline and Hazardous Materials Safety Administration published a final rule amending the Hazardous Materials Regulations to: Revise several packaging related definitions; add provisions to allow more flexibility when...
  • PHMSA proposes to make miscellaneous amendments to the Hazardous Materials Regulations to update and clarify certain regulatory requirements. Among other provisions, PHMSA is proposing to add a labeling exception for ``consolidation bins'' to...
  • This final rule corrects editorial errors, makes minor regulatory changes and, in response to requests for clarification, improves the clarity of certain provisions in the Hazardous Materials Regulations. The intended effect of this rule is to enhance...
  • PHMSA proposes to amend the Hazardous Materials Regulations to maintain alignment with international standards by incorporating various amendments, including changes to proper shipping names, hazard classes, packing groups, special provisions,...
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